third day in a row, the grieving town of newtown, connecticut has gathered to bury more victims of the sandy hook elementary shootings. five funerals today for two teachers and three children. the funerals for the victims are drawing in mourners from across the country. yesterday hundreds showed up to remember school principal dawn hochsprung who died trying to stop the shooter after he broke into the school last friday. >>> the search for a motive behind the shootings is difficult. investigators hope the computer and hard drive recovered at gunman's home would shed light on the reason for the massacre. but the 20-year-old adam lanza deliberately smashed his electronic devices into so many small pieces that the fbi lab is unable to retrieve any data. investigators will continue to search through lanza's cell phone and credit card records. >>> two bay area gun buy-backs last weekend were so successful that one city needs more money to pay for it. people turned in about 600 firearms in oakland and san francisco expecting $200 catch for each one. the san francisco megaboys including had to hand